Open Source Desktop Operating Systems Chat Software

BeeBEEP is a secure (encryption based on Rijndael Algorithm, AES) peer to peer office messenger. You can talk and send files with all your colleagues inside a local area network such of an office, home or internet cafe without a server. BeeBEEP works also with VPNs. This serverless application is indispensable in all those places where privacy and security an essential requirement. For more info visit: https://www.beebeep.net

DC++ is an open source Windows client for the Direct Connect file sharing network. The DC network is a decentralized network, made up of individual servers (hubs) that users join to share files with other members on that hub. Each hub is individually run by a fellow user of the DC network, and may have certain themes to the content on the hub. Hub owners set up rules to regulate their hub as they see fit.

The gSOAP toolkit is an extensive suite of portable C and C++ software to develop XML Web services with powerful type-safe XML data bindings. Easy-to-use code-generator tools allow you to directly integrate XML data in C and C++. Serializes native application data in XML. Includes WSDL/XSD schema binding and auto-coding tools, stub/skeleton compiler, Web server integration with Apache module and IIS extension, high-performance XML processing with schema validation, fast MIME/MTOM streaming, SOAP and REST Web API development, WS-* protocols (WS-Security, WS-Policy, WS-ReliableMessaging, etc), XML-RPC and JSON. Licensed under GPLv2. Visit the developer center with guides, tutorials, and examples at www.genivia.com/dev.html The documentation of the toolkit, libraries, plugins and more is available at www.genivia.com/docs.html Commercial-use licenses and expert technical support services are available at competitive pricing levels, please visit www.genivia.com/products.html

Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi XMPP client. Previously is was a sort of fork but now just consider it as a space for nightly builds.

IRCD-Hybrid is a lightweight, high-performance Internet Relay Chat server.

Anope Services are built off of the original Epona code written by Lara which is built off of IRC Services. These services have advanced the original Epona code and include new features such as Modules, Mysql, and Defcon Mode.

Undernet Coder Committee -- ircu development

A Windows-based ansi/ascii editor with unlimited multi-user capabilities.

climm is a portable, small, yet powerful console based, fully internationalized instant messaging client supporting the current v8 ICQ protocol and XMPP.

pork, oidentd, iplog and ocd

libircclient is a small but powerful library, which implements client-server IRC protocol. It has all features needed to create your own IRC client or bot, including multi-threading support, sync and async interfaces, CTCP/DCC support, colors, SSL connections and so on.

ptyaim is a simple curses client for AOL Instant Messenger, ICQ, and IRC. It runs on many Unix-like systems, and Win32.

Coopnet is a lobby based Chat with the functionality of launching games. Its aim is to enable users of Windows and Linux to play together on the same network.

Gamers.IRC is a full MSL Script for mIRC, the most popular Windows IRC client. Gamers.IRC is for Windows 95 and higher. Source code: Download and run the installer. Open the .grc and .ini files with notepad.

Simple and powerful chat client/server system for your web pages. Support channel administration, irc-like commands, connections filtering, extensive logging and much more. Works in any Java compliant web browser.

VooDoo cIRCle is modular IRC bot, scriptable thanks to PHP and Perl, with built-in SSL support, File System, private BotNet and advanced security rights for each user. Runs on POSIX/Unices, Windows and Mac OS X.

YSM is a simple ICQ client based on the v7/v8 icq protocol version. Free of external libraries requirements, written in the C Language.

Google Wave Notifier for your Windows desktop and Wine on Linux.

[ Please read https://sourceforge.net/p/darkbot/news/2014/01/darkbots-revitalization/ ] Darkbot is a portable IRC chat robot written in the C language that can be taught responses to user inquiries, and even have conversations with them. Darkbot was originally created by Jason Hamilton as an aid for help channels on Intenet Relay Chat.

Jabberwocky is a jabber client software for Amiga Computers. It is open source and released under the GNU GPL License.

A modular PHP based web portal system. While a stable beta of the portal is available, I am currently in development planning phases of a new core framework.

THIS PROJECT HAS MOVED Please visit https://github.com/obriencj/meanwhile The Meanwhile project is an open implementation of the Lotus Sametime client protocol. The project provides a library written in C, a python module, and a Gaim plugin utilizing the library.

Hybrid Share is a User Friendly Mono C#/Gtk# Application that allow Mac, Windows and Linux Users To Share Files. The Application is extensible via Plugins, so you can Talk with connected people, check your mailbox or other things that plugins could do.

An X11 based IRC client built with C++ and using the Qt libraries.